| 摘要 |
PURPOSE: An air exhaust system of a tire vulcanizing mold which is manufactured with powder metallurgy is provided to prevent multiple air outlets of a main body from being dented by manufacturing multiple air outlets with powder metallurgy. CONSTITUTION: An air exhaust system of a tire vulcanizing mold which is manufactured with powder metallurgy comprises a single body (5) with multiple air outlets (3) in a main body. The external diameter of the air outlets on the upper body is bigger than or equal to the external diameter of the air outlets on the lower body.
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